Speaker



FIG. 1 is a perspective view of a speaker according to our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a front elevational view of the speaker according to our new design in a state in which an upper part thereof is detached from a main body thereof.

The surface(s) or portion(s) of the article not shown in the drawing or described in the specification form(s) no part of the claimed design. 

The ornamental design for a speaker, as shown and described. 